storm chaser: watch behind her, scotty. narrator: even if you re in a shelter, even if you re exactly where you re supposed to be during a tornado. for those one, two, three minutes when everything is falling apart around you, it s chaos. storm chaser: that is one of the [indistinct] tornado. storm chaser: oh my god. back up. narrator: and you re just at the mercy of mother nature. it really is a terrifying experience to go through. storm chaser: run it back oh, that s a trailer house. [theme music] welcome to violent earth. i m liev schreiber. 2023 set an all time record for weather and climate related disasters in the us. 28 events with losses over $1 billion. wildfires, hurricanes, and floods are more frequent than ever. the earth is changing. tonight, we delve into one of the most powerful natural hazards in the world, tornadoes. terrifying vortexes unleashed from thunderstorms that can cause unimaginable destruction. few examples of their power are more definitive than
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you are in the country. in the plains, tornado season is typically over a relatively short period of time in the springtime. in the southeastern united states, tornadoes are more likely to occur at any time of the year. tornadoes actually can and do strike all over the country. tim marshall: tornadoes have been known to be in every state of the us. they have been in the highest of mountains, beaches, and offshore. harold brooks: over the last 50 years, what we ve seen has been an increase in the number of tornadoes in what we think of as the mid-south. it looks like it s associated with physical changes in the atmosphere, but we don t have a real underlying reason of why that s occurred. reporter: a rare sight in the skies over japan. a powerful twister ripping across the eastern part of the nation. tornadoes occur worldwide. jeff piotrowski: europe has tornadoes. south america has tornadoes. australia, japan.